Paidong Industrial Zone Qiligang,Yueqing City,Zhejiang province,China.
What is a Smart Relay Switch? A smart relay switch is a device connected to a circuit. The device connects to the user’s smartphone via a wireless protocol, allowing the user to remotely and wirelessly control the opening and closing of the circuit. In practical applications, the use of smart relay switches can provide convenience […]
Tongou was established in 1993, It takes the high-end low-voltage electrical system solutions experts as the brand positioning, takes solving the pressure and challenges of customers as the responsibility, and creates value for customers.
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